Home / 881,664.30-1,321,330.05-781,353.90

Finding the Fourth Proportional to 881,664.30, 1,321,330.05 and 781,353.90

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Solution

The fourth proportional to 881,664.30, 1,321,330.05 and 781,353.90 is: 1,170,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,664.30 : 1,321,330.05 = 781,353.90 : x
  2. Step 2: Convert to fraction form
    881,664.30/1,321,330.05 = 781,353.90/x
  3. Step 3: Cross multiply
    881,664.30x = 1,321,330.05 × 781,353.90
  4. Step 4: Simplify right side
    881,664.30x = 1,032,426,387,754.70
  5. Step 5: Solve for x
    x = 1,032,426,387,754.70/881,664.30
  6. Step 6: Final answer
    x = 1,170,997.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.